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KR20020089215A
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Wastewater Treatment Plant with Upflow Anaerobic Reactor
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Immobilized Body of Biological Material, and Apparatus for Manufacturing the Body
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KR100382810B1
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Settling tank with improved structure
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Treating Equipment of Waste Water and the Operation Method of therof
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KR20030003979A
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System for recollecting used cans and bottles
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Apparatus for collecting used cans and bottles
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An Anaerobic Bioreactor for the Wastewater-Treatment Plant
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Unelectrified water sterilization System
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KR20000000378A
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Disinfection Method and Device for Automatic Dissolving Disinfectant in Origin Water
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KR20000000377A
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Apparatus for Automatic Disinfection for Water
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KR20000000106A
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Machine for Tablet-Insertion
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KR20000000104A
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Machine for Tablet-Insertion
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KR20000000105A
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Machine for Tablet-Insertion
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KR20000000103A
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Apparatus for Automatic Disinfection for Water
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KR20000000107A
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Machine for Tablet-Insertion
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